MPG SUBARU LEGACY 2017 6.G Driving Assist Manual

Lane Keep Assist
58
The system detects lane markings in order to help prevent departure from the lane. If you
drive on expressways, freeways or interstate highways at speeds above approximately 40
MPH (65 km/h) and the vehicle is about to depart from the lane, the system assists the
steering operation by turning it to the direction that will help prevent the lane departure.
■How to use Lane Departure Prevention Function
Press the (Lane Keep Assist) switch.
Lane Keep Assist is turned on, and “ ” (Lane Keep Assist indicator) (white) is displayed
on the EyeSight display area of the multi information display.
Lane Departure Prevention Function
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There is a strong
possibility of lane
departure. There is a
possibility of lane
departure.
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Lane Keep
Assist indicator
(white)

Lane Keep Assist
59
Press the (Lane Keep Assist) switch once again to turn it off, and “ ” (Lane Keep
Assist indicator) is turned off on the EyeSight display area.
The Lane Departure Prevention Function goes into the standby status, and the lane indica-
tor illuminates when all of the following conditions are met.x The vehicle speed is between approximately 40 MPH (65 km/h) and 90 MPH (145 km/h).
x The system is detecting the lane markings.
x The driver is holding the steering wheel.
x When driving on a road that has a lane width that is between approximately 10 ft (3 m)
and 15 ft (4.5 m).
x When driving on a straight road or gentle curve.
x When driving near the center of a lane.
When the vehicle is about to depart from the lane, Lane Departure Prevention Function
starts to operate and “ ” (Lane Keep Assist indicator) illuminates in green while it is
operating.
NOTE
x If you just lightly put your hands on the steering wheel for a certain period
of time or if you do not operate the steering wheel, the function will auto-
matically be canceled. (“ ” Lane Keep Assist indicator) illuminates in
white again.)
x Lane Departure Prevention Function operates when the system deter-
mines that the vehicle will depart from the lane if you continue to drive in
the same manner. Therefore, it operates at an earlier timing than Lane
Departure Warning (
Ÿ Refer to page 68.) (it may depend on the surround-
ing environment and road condition).
x The lane indicator in the standby status and in operation may illuminate
only on the left side or right side.
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Lane Keep
Assist
indicator
(white)
Turned on Standby status In operation
(white) (green)

Lane Keep Assist
60
■Canceling Lane Departure Prevention Function
●
Cancellation by the operation of a driver (In case no beep sounds)
The following operation cancels Lane Departure Prevention Function.
If the function is canceled, “ ” (Lane Keep Assist indicator) and the lane indicator are
turned off on the EyeSight display area. x Press the (Lane Keep Assist) switch.
Either of the following operations temporarily cancels the Lane Departure Prevention Function.
While temporarily canceling the function, “ ” (Lane Keep Assist indicator) on the
EyeSight display area illuminates in white and the lane indicator is turned off. x Depressing the brake pedal
x Operating the turn signal lever
x When the system determines that the driver operates the steering wheel to make a lane
change.
x Turning on the hazard warning flasher switch
●Automatic cancellation by the system (An audible beep will sound.)
Under the following conditions, a beep sounds and the Lane Departure Prevention Function
is temporarily canceled.
While the function is temporarily canceled, “ ” (Lane Keep Assist indicator) on the
EyeSight display area illuminates in white and the lane indicator is turned off.
x When the system cannot detect the lane.
x The windshield wiper operates at a high speed.
x The vehicle speed is less than approximately 37 MPH (60 km/h) or is more than approxi-
mately 93 MPH (150 km/h).
x The ABS, the Vehicle Dynamics Control or the Traction Control System operates.
x Either the driver’s door, the front passenger’s door or the rear door is open.
x The seatbelt of driver’s seat is unfastened.
x The electronic parking brake is applied (The electric parking brake indicator light illumi-
nates or blinks).
x The select lever is shifted to a position other than or position.
x The system could not detect the steering
operation by the driver for a certain period of
time.
- When the system detected no steering operation, the interruption screen appears
on the multi information display. The inter-
ruption screen continues to appear until
the system detects the steering operation.
If the system still cannot detect the steer-
ing operation, the Lane Departure Preven-
tion Function is automatically canceled.
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Keep Hands OnSteering Wheel
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